argentine ant treatment

How to Do Argentine Ant Treatment

Argentine ant workers are in constant search of new food sources. If you have nests of Argentine ants near your home you are likely to have frequent ant invasions. Once inside ants are likely to continue to invade until the food source is gone or until their entryways are sealed up. Heatwaves or rainstorms drive ants indoors for protection against heat, wet and or cold. See pictures of Argentine ants.

argentine ants treatmentArgentine ants (Linepithema humile) are a most difficult ant to manage. While Argentine ants can arrive almost everywhere in the world with human commerce, their survival outside of warm regions is low. If you live in New York you most likely don’t have Argentine ants. The warm states like California and the southern states have them. They nest Outdoors, in soil, under debris, along sidewalks and driveways. Argentine ant workers are 1/16-inch long and are light to dark brown, they have a single node on the pevtiole and do not have hairs a the tip of the abdomen. Their eyes located close to the base of the antennae and seem to be looking ahead. Swarmers are rarely seen because mating occurs inside the nest.

“Make your inspection in the morning or late afternoon. In the morning or late afternoon ants will be more active and retreat to their nest in the hottest time of the day.”

How to find Argentine Ants

To Find Argentine Ants Search Inside First:

Start inside and using a flashlight systematically inspect around the entire house. Inspect for Argentine ants, potential entryways, and attractive nesting sites. Focus your inspection on baseboards and walls where they meet the floor and the ceiling. Ants often trail along these edges. Potted plants may also provide harborage for Argentine ants. Inspect electrical outlets, fixtures and under furnishings. In kitchens, bathrooms and other rooms where you have plumbing inspect around pipes and drains. Argentine Ants often forage in these areas for water.  Check around windows and doors. Look for attractive food sources such as sweets or pet food.

To Find Argentine Ants Search Outside Next

Before you can perform argentine ants treatment, you have to find them. Follow any ant trails and try to follow them back to their nest. Notice if their trail leads to a crack or small hole in your outside wall covering or foundation. Look for ways ants are entering the structure.

Inspect the walls of the structure as low and as high as possible looking for ant trails. Pay special attention to where ants were found inside for possible entry points that could be sealed up with caulk.  Branches of trees or shrubs touching the house may provide pathways for ants. Also, check for ants in the landscape that might harbor aphids or other honey-dew producing insects. Check potted plants, leaves, mulch or leaf litter especially in moist areas. Note and fix leaky faucets that would provide a water source.

Argentine Ants Treatment

Best Argentine Ants Bait:

  1. Since Argentine ants are attracted to liquids so granular bait is not veryLiquid ant bait is most effective for argentine ants treatment effective. Pr-packaged baits dry up quickly and are not as effective as liquids like Gourmet Liquid Ant Bait. You’ll need some re-useable ant bait stations to protect the liquid against the weather and human contact. Get Gourmet Liquid Ant Bait and stations here.
  2. Kills Roaches & Sweet & Protein Feeding Ants, except Fire & Harvester Ants, Controls Carpenter and Argentine Ants.

Ant baits are insecticides mixed with materials that attract worker ants. Argentine ants workers take the bait back to the nest to feed the colony. Baits kill the ants in the colony, not just the exposed workers on the trail. Baits are slow acting, so as not to kill the ant before he can take it all the way back to the colony. It could take 7-10 or more days before you see results. It could take several weeks before the problem goes away. Argentine ants prefer liquid baits with sweet attractants. Gourmet Liquid Ant Bait is most effective on Argentine ants.

This bait will need an ant feeding station to be placed close to where ants are nesting. Kness Ants-No-More Ant Bait Feeding Station is placed outdoors by simply sticking its spike in the ground, or indoors by inserting it into the soil of planters. Place wherever foraging Argentine ants are causing a problem – around homes, buildings, near shrubs, trees, flower beds or planter boxes. The foraging ants enter the Ant Bait Station and take the bait from one of two compartments back to the nest. You eliminate the foraging ant problem by eliminating the heart of the problem – the nest.

  1. Remove any competing food sources such as sugary foods, pet food and water sources. Do not spray ant trails on their way to the stations. You do not want to kill ants before they can bring the bait back to the colony.
  2. Use bait primarily outdoors near known entryways to structure.
  3. If colonies are large it may one to two weeks to see a significant reduction in ants, even when the bait is working well.
  4. Don’t place ant baits indoors because they will draw ants inside. But if you do place them at the point of entry and remove them once the ants are gone.

Argentine Ants Kit

Use this Kit to extinguish Argentine AntsPurchase the Argentine Ant Kit from Jarrod’s it includes everything we’ve talked about in this article to get started. We’ve even arranged a discount.
You may purchase a pre-made Kit including these products at For an additional 5% OFF this product Kit, when purchased in the “Outdoor Ant Bait Kit“, use this discount code pestmd507-5 as a thank you for visiting Pest MD. This kit is available till supplies are gone.

Good luck on your Argentine Ants Treatment

Credit to: the University of California agriculture & National Resources.
UC IPM Online

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